I recently had cause to request a financial dissociation and was advised to contact all 3 credit agencies. Experien and Call Credit dealt with my particular issue for free.
Equifax insisted I sign up for a free 30 day trial to obtain a reference number before they'd deal with me.
I signed up and they insist on taking credit card details. I used the reference number to request the dissociation.
I then cancelled.
They have debited my card and not done the dissociation. 
I've complained. They have now cancelled my account (so I cannot access it which is fine but see *)but not refunded my payment.
- This week I've received letters from Experian and Call credit telling me that Equifax have told them I've been a victim of identity fraud and need to obtain a credit report and file a notice, hand over photocopies of loads of personal documents...send them passwords etc etc etc
I think Equifax are just scamming me to obtain more money. What can I do though? I have to pay them all now to obtain a credit report to check on the 'identity fraud' (bet there is NOTHING there) and Equifax will charge me all over again and tie me in against my will all over again
Checking online Equifax have a history of preventing customers from cancelling with a variety of techniques